<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>2-语义化标签</title>
</head>
<body>
    <!-- 
        H5新增的一些标签
     -->
    
     <div class="header">头部</div>
     <div class="footer">底部</div>
     <div class="aside">侧边栏</div>
     <div class="center">中心区域</div>


     <!-- 头部 -->
     <header>头部</header>
     <!-- 侧边栏 -->
     <aside>侧边栏</aside>
     <!-- 底部 -->
     <footer>底部</footer>
     <!-- 导航 -->
     <nav>导航</nav>
     <!-- 文章 -->
     <article>文章</article>
     <!-- 区域内容 -->
     <section>区域内容</section>
</body>
</html>